Rebound Headaches: How to Stop the Painkillers That Cause Them

Written and medically reviewed by Tae Ho Guak, MD, board-certified neurologist · Reviewed July 2026 · Editorial policy

Medication-overuse headache monthly limits by drug class
Monthly day thresholds for simple analgesics, triptans, combination analgesics and opioids in medication-overuse headache

If you reach for a headache pill more than about ten days a month and your headaches are slowly getting more frequent, the medicine itself may be part of the problem. This is medication-overuse headache — what most people call rebound headache — and the only real way out is to stop the overused drug. But how you stop matters enormously. Done without a plan, the first week or two is rough enough that most people give up. Done properly, the majority of patients are meaningfully better within two to three months.

I’m Dr. Tae-Ho Guak, a neurologist. In twenty-five years I’ve watched this exact trap catch tens of thousands of good, careful people. A woman in her forties once set a gallon freezer bag of medication on my desk — ibuprofen, a triptan, an over-the-counter combination tablet with caffeine, a few leftover butalbital pills from an old prescription. She wasn’t abusing anything. She was treating a real headache every morning, the way any of us would. The trouble was that the morning headache had started arriving because of what she took the day before.

First, is it really the painkillers?

The diagnosis rests on how often you medicate, not on the dose. The thresholds neurologists use come from the international headache classification, and they are lower than most people expect. For simple pain relievers used alone — plain ibuprofen, naproxen, acetaminophen, aspirin — the line is fifteen or more days a month for longer than three months. For the drugs that cause rebound most easily — triptans, ergots, opioids, butalbital-containing tablets, and any combination product with caffeine — it drops to just ten days a month.

Notice that ten days a month is only about two days a week. Many people cross that line without ever taking “too much” on any single day. If your headaches have quietly shifted from a few bad days a month to a dull, near-daily background pain that’s worst first thing in the morning, that pattern is the signature. I wrote a fuller diagnostic walk-through in Painkillers Causing Your Daily Headache? if you’re still trying to work out whether this is you.

Why “just stop” is right — and why the first two weeks are the hard part

Here is the part nobody warns patients about: when you stop the overused drug, you usually feel worse before you feel better. The headache flares, sometimes with nausea, poor sleep, and irritability, for roughly one to two weeks. This withdrawal period is temporary and predictable, but if you don’t know it’s coming, it feels like proof that stopping was a mistake — so you take a pill, the clock resets, and the cycle never breaks.

The single most useful thing I do in that first visit is tell people the truth about the shape of recovery: a hard stretch of one to two weeks, gradual improvement over the following month, and a clearer picture of your true underlying headache by around month two or three. Knowing the flare is expected — that it means the process is working, not failing — is often what carries someone through it.

The three moves I make at the same time

Stopping the drug is only one of three things that need to happen together. Do just the first and most people relapse.

1. Withdraw the overused medication. For simple analgesics and triptans, this can usually be an abrupt stop — a clean break is faster and no more dangerous than a slow taper. The important exception, below, is opioids and butalbital.

2. Start a real preventive. The whole point of withdrawal is to expose the underlying headache so we can treat it properly. Depending on the person, that means a migraine preventive such as topiramate, a CGRP monoclonal antibody or onabotulinumtoxinA for chronic migraine, or amitriptyline when tension-type headache is the driver. If you’ve tried a preventive before and it didn’t help, that often reflects the rebound masking its effect rather than the drug failing — I cover how to judge that in Migraine Preventive Not Working? How Long It Takes — and When to Switch.

3. Have a bridge for the withdrawal flare. To make the hard weeks tolerable without restarting the overused drug, I often use a short transitional course — typically over six to ten days — that may include a steroid taper, anti-nausea medication, hydration, or a longer-acting anti-inflammatory used on a fixed, time-limited schedule rather than on demand. The bridge is deliberately temporary; its only job is to get you across the gap.

Which drugs need a careful taper — not a hard stop

This is the one place where stopping cold is genuinely unsafe. Opioids and butalbital-containing tablets (the barbiturate found in some combination headache pills) must be tapered down under medical supervision, not quit abruptly, because sudden withdrawal from these can cause serious symptoms including, with barbiturates, seizures. High daily caffeine intake also deserves a gentle wind-down rather than an overnight cutoff. If any of these are in your bag, do not improvise — this is a conversation to have with a clinician before you change anything.

For everything else — the ibuprofen, the naproxen, the triptan, the plain acetaminophen — a clean stop, paired with a preventive and a bridge, is both safe and the fastest route out.

What recovery actually looks like

With the full approach — withdrawal, a preventive, and a bridge — roughly half to two-thirds of people are substantially better six to twelve months out. “Better” rarely means zero headaches. It means your headaches return to their real baseline: less frequent, more responsive to treatment, and no longer feeding on the very medicine meant to relieve them.

Two practical habits protect the gains. First, keep a simple record of which days you take acute medication, so you can see the ten-days-a-month line before you drift back over it. Second, once you’re recovered, treat attacks earlier and harder on the days you do treat, rather than nibbling a pill most days — fewer, more decisive treatment days is exactly the pattern that keeps rebound away. If your acute medication genuinely isn’t working well enough, that’s a signal to fix the treatment, not to take it more often; I walk through that in Triptans Not Working? Why — and What a Neurologist Tries Next.

If you’ve been told repeatedly that nothing is wrong while your daily headache grinds on, medication overuse is one of the most common — and most fixable — reasons a headache refuses to improve. For the bigger picture of why that happens and what tends to get missed, see Why Your Headache Isn’t Getting Better.

Where to go from here

This article is for education and is not a substitute for individual medical care. Do not stop or change a prescribed medication — especially an opioid or a butalbital-containing tablet — without medical guidance. If you have a sudden, severe “worst-ever” headache, a headache with fever and a stiff neck, weakness, confusion, vision loss, or a headache after a head injury, seek emergency care immediately.

References

  • Headache Classification Committee of the International Headache Society. The International Classification of Headache Disorders, 3rd edition. Cephalalgia. 2018;38(1):1–211.
  • Diener HC, Holle D, Solbach K, Gaul C. Medication-overuse headache: risk factors, pathophysiology and management. Nat Rev Neurol. 2016;12(10):575–583.
  • American Headache Society. Consensus statement: integrating new migraine treatments into clinical practice. Headache. 2021;61(7):1021–1039.

This article was written and medically reviewed by Tae Ho Guak, MD, a board-certified neurologist. Last reviewed July 2026. See our editorial policy.

From the textbook. Chapter 39, “Management of Medication Overuse,” of my clinical textbook Headache Medicine covers this topic in full for doctors, with the evidence and decision pathways behind it. About the book →

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